Sprint is waiving or crediting fees for wireless calls and text messages to and from Japan for its customers, retroactive to March 11 and continuing through April 10, the wireless carrier said.

T-Mobile said it is removing charges for international long distance calls and text messages made to Japan for its contract, non-prepaid customers from March 11 to March 31.

In addition, T-Mobile's postpaid customers can make free Wi-Fi calls to and from Japan during the same period, the company said.

AT&T and Verizon announced similar free calling and texting to Japan moves this week as well.

And, much like AT&T and Verizon, T-Mobile and Sprint are also lifting text-messaging fees for $10 donations made to the American Red Cross Japan disater relief efforts, which can be done my texting "REDCROSS" to "90999."

T-Mobile also said that any text message donation made to "giving campaigns" is free.

And Sprint said it is also lifting fees for text message donations made to other aid groups as well, including the Convoy of Hope Inc. (text "TSUNAMI" to "50555" to donate $10), the World Relief Corp. of the National Assn. of Evangelicals (text "WAVE" to "50555" to donate $10), and The Salvation Army (text "JAPAN" or "QUAKE" to "80888" to donate $10).